Check out the Google Zanzibar paper, annotated with expert commentary!

That Scales

Get authorization that scales with your traffic, development velocity, feature requests, and growth targets.

Built on our experience at

CoreOSY CombinatorAmazonGoogleRed Hat

Complexity that spans multiple worlds? Handled.

AuthZed’s SpiceDB was built to handle complex, distributed, and real-world authorization needs.

Fine-Grained Authorization (FGA)

Easily define Fine-Grained Authorization (FGA) that adapts to your product teams’ requirements.

Globally Distributed Permissions

Delight your customers with low-latency requests no matter where they are.

Attribute-Based Access Control (ABAC)

Supercharge your permissions with Attribute-Based Access Control (ABAC) using SpiceDB Caveats.

Role-Based Access Control (RBAC)

Model intuitive Role-Based Access Control (RBAC) using relationships to define roles and permissions.

User-Defined Roles and Permissions

Meet your Enterprise customers' security needs with user-tailored authorization.

Compute-Intensive Queries

Avoid writing complex SQL for recursive and nested permission sets.


What People Say

Extraordinary Customer Experiences
Down-to-Earth Results

Production Ready

AuthZed gives you the power to quickly deploy highly available and distributed SpiceDB Permission Systems.


Rest easy with deployments backed by industry best-practice and SOC2 compliance.


You bring the Schema, and we take care of the rest with SLA-backed production environments.


Get authorization that scales with your traffic, development velocity, feature requests, and growth targets.


Deliver real-time performance without compromising zero-trust architectures.

Don’t Sacrifice
Developer Productivity

Build and manage complex fine grained authorization systems without getting stranded.

Maintain developer velocity — keep complex authorization requirements from stifling engineering's momentum.
Avoid infrastructure scaling issues — your SREs are off the hook! AuthZed scales with your business' success.
Harness the power of ReBAC — execute on nested permissions hierarchies without writing marathon scale SQL queries.
Guard against broken access control — enable zero trust architecture with a framework that empowers application teams.
Streamline collaboration — break application authorization silos to delight end-users with cross-product permission checks.
No more pager duty 🎉 — win back time while handling real-time permissions checks for millions of requests per second.

SpiceDB Schema Language

Design tailored access management systems — Role Based Access Control (RBAC), Attribute Based Access Control (ABAC), Fine Grained Authorization (FGA), or a unique configuration that fits your business needs. Build, test, and share your SpiceDB Schema using the AuthZed Playground.

Easy Integration

Integrate your applications with SpiceDB’s client libraries and manage your Permissions Systems with AuthZed’s CLI tool — Zed.


Rock Out Together.

Join our thriving community to learn about SpiceDB, Zanzibar, production deployments, and more!

Users Online

Join hundreds of
companies modeling
permissions the right way

Jump In. Learn More.

Talk to an AuthZed engineer.


Intro Call

Tackle your toughest authorization problems with expert advice.

Open Source

Discover AuthZed's software on GitHub and get involved.


Join the conversation on Discord to learn about SpiceDB and Zanzibar.